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Finding the Fourth Proportional to 300,786.82, 451,182.78 and 240,666.30

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Solution

The fourth proportional to 300,786.82, 451,182.78 and 240,666.30 is: 361,001.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,786.82 : 451,182.78 = 240,666.30 : x
  2. Step 2: Convert to fraction form
    300,786.82/451,182.78 = 240,666.30/x
  3. Step 3: Cross multiply
    300,786.82x = 451,182.78 × 240,666.30
  4. Step 4: Simplify right side
    300,786.82x = 108,584,490,286.31
  5. Step 5: Solve for x
    x = 108,584,490,286.31/300,786.82
  6. Step 6: Final answer
    x = 361,001.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.